L3 A+P Quizs

What does a motor unit consist of?

• Proprioceptors and a sensory neuron

• Muscle fibres and a sensory neuron

• Muscle fibres and a motor neuron

• Proprioceptors and a motor neuron

Plantarflexion is possible at which joint?

• Knee

• Wrist

• Hip

• Ankle

Which posture type is most likely to reduce lung capacity?

• Hyperlordosis

• Hyperkyphosis

• Military posture

• Flat back

Which hormone is produced by the pancreas?

• Glucagon

• Calcitonin

• Adrenaline

• Cortisol

What does triceps brachii insert onto?

• Radius

• Humerus

• Scapula

• Ulna

What is one neuromuscular adaptation associated with exercise?

• Slower nerve impulses

• Fewer neural connections

• Longer reaction times

• Improved balance

Which joint action of the spine occurs in the transverse plane?

• Lateral flexion

• Flexion

• Extension

• Rotation

How does reciprocal inhibition help athletic performance?

• It makes the agonist contraction stronger

• It involves more synergists to assist a movement

• It prevents the antagonist from opposing movement

• It enables the antagonist to pre-load the agonist

When the biceps brachii contract concentrically, which action takes place at the elbow?

• Abduction

• Extension

• Flexion

• Circumduction

What can be a benefit of flexibility training?

• Improved muscle tone

• Reduced range of motion

• Reduced muscle size

• Improved posture